Re: [ecasound] filter testing

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Subject: Re: [ecasound] filter testing
From: Jeremy Hall (jhall@uu.net )
Date: Wed Sep 22 1999 - 00:45:26 EEST


so because we hear from 0 to 22050, you take the effected range you want
to block out, divide that in half, make the center the middle mark, and
make the width equal to the total width, for example,

-efr:440,20 means that anything from 430 to 450 is rejected, right?

_J

Kai Vehmanen said:
> On Mon, 20 Sep 1999, Jeremy Hall wrote:
>
> >> -efr Bandreject. -efr:11025,22050 results in a empty fft as
> > Are you trying to hit from -11025 to 33075? Is that what this would do?
>
> No, "center,width" parameters specify a freq-range of
> [center-width/2,center+width/2]. So in this case: [0,22050].
>
> --
> Kai Vehmanen <kaiv@wakkanet.fi> -------- CS, University of Turku, Finland
> . http://www.wakkanet.fi/ecasound/ - linux audio processing
> . http://www.wakkanet.fi/sculpscape/ - ambient-idm-rock-... mp3/ra/wav
>
>
>


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